000 00392 a2200145 4500
041 _aEn .
080 _b333
082 _aAT019
100 _aPathirana W.P.C.N.
245 _aEvaluation of Eppawala singale super phosphate (essp) as a source of sulphur fertilizer for rice
260 _c2006
_g2006
300 _bill
_c30 cm.
_ax,39 p.
650 _aNATURAL RESOURCE MANAGEMENT
942 _cT
999 _c10336
_d11775